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Finding the Fourth Proportional to 531,845.80, 797,768.70 and 523,972.60

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Solution

The fourth proportional to 531,845.80, 797,768.70 and 523,972.60 is: 785,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,845.80 : 797,768.70 = 523,972.60 : x
  2. Step 2: Convert to fraction form
    531,845.80/797,768.70 = 523,972.60/x
  3. Step 3: Cross multiply
    531,845.80x = 797,768.70 × 523,972.60
  4. Step 4: Simplify right side
    531,845.80x = 418,008,939,937.62
  5. Step 5: Solve for x
    x = 418,008,939,937.62/531,845.80
  6. Step 6: Final answer
    x = 785,958.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.